Base | Representation |
---|---|
bin | 10101011011100100… |
… | …000111010110010111 |
3 | 2012101200022110111001 |
4 | 111123210013112113 |
5 | 334111310433143 |
6 | 14323210124131 |
7 | 1443143350153 |
oct | 253344072627 |
9 | 65350273431 |
10 | 23011030423 |
11 | 9839143817 |
12 | 4562420647 |
13 | 2229451a44 |
14 | 1184160063 |
15 | 8ea28d14d |
hex | 55b907597 |
23011030423 has 2 divisors, whose sum is σ = 23011030424. Its totient is φ = 23011030422.
The previous prime is 23011030309. The next prime is 23011030447. The reversal of 23011030423 is 32403011032.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23011030423 is a prime.
It is a super-2 number, since 2×230110304232 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23011030423.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23011030223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505515211 + 11505515212.
It is an arithmetic number, because the mean of its divisors is an integer number (11505515212).
Almost surely, 223011030423 is an apocalyptic number.
23011030423 is a deficient number, since it is larger than the sum of its proper divisors (1).
23011030423 is an equidigital number, since it uses as much as digits as its factorization.
23011030423 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 23011030423 its reverse (32403011032), we get a palindrome (55414041455).
The spelling of 23011030423 in words is "twenty-three billion, eleven million, thirty thousand, four hundred twenty-three".
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